Tricyclics
(tricyclic 的复数) [化]三环的, 三轮列的
🗣️ 情景例句
His experience will be valuable to both of us.
他的经验对你我都很有用。
Every day is not Sunday.
好景不常在，好花不常开。
What is worth doing is worth doing well.
只要你觉得某事值得去做，就一定要把它做好。